linux-kernel - [PATCH v3 0/3] drm/vkms: Reimplement line-per-line pixel conversion for writeback

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Message-Id: <20241122-writeback_line_by_line-v3-0-085d5810f6e3@bootlin.com>
Date: Fri, 22 Nov 2024 17:24:59 +0100
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>, 
 Melissa Wen <melissa.srw@...il.com>, 
 Maíra Canal <mairacanal@...eup.net>, 
 Haneen Mohammed <hamohammed.sa@...il.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Simona Vetter <simona.vetter@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org, arthurgrillo@...eup.net, 
 linux-kernel@...r.kernel.org, jeremie.dautheribes@...tlin.com, 
 miquel.raynal@...tlin.com, thomas.petazzoni@...tlin.com, 
 seanpaul@...gle.com, nicolejadeyee@...gle.com, 
 Louis Chauvet <louis.chauvet@...tlin.com>
Subject: [PATCH v3 0/3] drm/vkms: Reimplement line-per-line pixel
 conversion for writeback

This series re-introduce the line-by-line algorithm. This is simpler than 
the read part because no rotation/translations are involved. 

PATCH 1/3 is the re-introduction itself
PATCH 2/3 is a proposition to avoid code repetition using a "big" macro.
PATCJ 3/3 is the usage of PATCH 2 to support a new format

This series depends on [1].

[1]:https://lore.kernel.org/all/20241122-b4-new-color-formats-v3-0-23f7776197c9@bootlin.com/

Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.com>
---
Changes in v3:
- Rebased on new iterations
- Link to v2: https://lore.kernel.org/r/20240814-writeback_line_by_line-v2-0-36541c717569@bootlin.com

Changes in v2:
- PATCH 2/3: Remove YUV from supported format list, it is not supported 
- Link to v1: https://lore.kernel.org/r/20240516-writeback_line_by_line-v1-0-7b2e3bf9f1c9@bootlin.com

---
Louis Chauvet (3):
      drm/vkms: Re-introduce line-by-line algorithm for writeback
      drm/vkms: Add a macro for write_line functions
      drm/vkms: Add support for XRGB2101010

 drivers/gpu/drm/vkms/vkms_composer.c  | 17 +++++++
 drivers/gpu/drm/vkms/vkms_drv.h       | 17 ++++---
 drivers/gpu/drm/vkms/vkms_formats.c   | 86 ++++++++++++++++++++++++-----------
 drivers/gpu/drm/vkms/vkms_formats.h   |  2 +-
 drivers/gpu/drm/vkms/vkms_writeback.c |  5 +-
 5 files changed, 92 insertions(+), 35 deletions(-)
---
base-commit: 98efdd02e220fea84c1491012d7292749a71faeb
change-id: 20240222-writeback_line_by_line-8475605b1d5c
prerequisite-message-id: 20241122-yuv-v14-0-e66d83d28d0c@...tlin.com
prerequisite-patch-id: d08b040cfd7aeba4a237029500f5aa8266450cbd
prerequisite-patch-id: deda292af6d8bbf6762b0bf4d351ffd2225995d8
prerequisite-patch-id: 6c2aa2645c7d854951608aa4d15a02e076abe1fe
prerequisite-patch-id: 62f509c48590dc333dc84e2185dc8b9edd61761b
prerequisite-patch-id: 7d988613c79a1ab056110418c04865bf019402cc
prerequisite-patch-id: 43f37e9c1bc041d491e41dfb59548ed258a1e071
prerequisite-patch-id: 1b2a3898d5f8c21b0d306c07b424414bcb14554b
prerequisite-message-id: 20241122-b4-new-color-formats-v3-0-23f7776197c9@...tlin.com
prerequisite-patch-id: e6717b75d79ae5cfb0815bab88d722082107dc0e
prerequisite-patch-id: 4b3b1ea5ad2e3ba1922cd4b3d3d46214b27c8c2d
prerequisite-patch-id: 060874d5a7433cc8cc654bc63e0b411036727ebb
prerequisite-patch-id: 43115d21842e508d9d8b0468e15f67d442bffe3c
prerequisite-patch-id: 627d0970e76d4154c982d0d4172e7a0c4dfb9a4c
prerequisite-patch-id: 582445144ac0ab11175ef96262060b08a5e1467e
prerequisite-patch-id: a98fac5a2c60fe23fbc6a455e9a4ab8b0f187ee8
prerequisite-patch-id: 62c8d109a22b9978f755255b67f13fe74fb7008d

Best regards,
-- 
Louis Chauvet <louis.chauvet@...tlin.com>